OpenTechnical

OT-2026-000091503

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000091503) never changes.

Identity and time

Publication numberOT-2026-000091503 · never reused
Internal UUID01a0ae9c-f16d-7078-8ccf-86e7f95fdb78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091503
StatusPUBLIC

Content hashes

Canonical text255a74a69e8329d74613ebf4980108e7e0ee776df9458939ce8ad0134a7721fe
Markdownccb8ca5893cf91e726466c6da8f1014c0fe73bd9f136faca34eefa51933366b5
PDF
Publication page9b3510f687e80c75aadf52b854d0738089acc8e2c6d58470e93aadca4b5d0196
Manifesta0eca025b8ec2b9330f84de80329d0650b572f870fc92e1abc48f84e84033b93

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureQlXX7+PZngl3IR/WzigtbQkmv9rrd2cSXAROIVJsppB7HOUk8Sah63WuyGknadjVlmk6LyE8yakIY7fgzS7UDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:45.845892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091503
observed 9b3510f687e80c75aadf52b854d07380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.829479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091503/manifest.json
observed a0eca025b8ec2b9330f84de80329d065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.811926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091503/publication.md
observed ccb8ca5893cf91e726466c6da8f1014c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.793595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091503/publication.txt
observed 255a74a69e8329d74613ebf4980108e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.